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Products
Electrogalvanized hinge bolts
Swivel Bolt Series
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Swivel Bolt Series
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Related popular products
Hot-dip galvanized embedded plate
Same as electrogalvanized embedded plate, using Q235 or Q355 carbon steel, steel plate thickness 8-50mm, anchor bar diameter 10-32mm, in line with GB/T 700 standard.
Black zinc plated pin shaft
Through the black passivation liquid treatment (c2D) containing silver salt or copper salt, a black passivation film is formed with a thickness of about 10-15μm. The cost is high but the appearance is unique.
Black zinc plated hexagonal bolts
Hexagonal bolts are the most common standard bolts with hexagonal heads and are used with nuts (standard GB/T 5780). Common materials are Q235 or 35CrMo, with galvanized or blackened surfaces.
Colored zinc plated hexagonal bolts
Hexagonal bolts are the most common standard bolts with hexagonal heads and are used with nuts (standard GB/T 5780). Common materials are Q235 or 35CrMo, with galvanized or blackened surfaces.
Electroplated zinc flange bolts
The head of the flange bolt has a round flange to increase the contact area and disperse the pressure (standard GB/T 5787, GB/T 5789). Common specifications M6-M30, material Q235 or 35CrMo, surface galvanized or blackened.
10.9S large hexagon bolts
10.9S large hexagon bolts are the core components of high-strength friction-type connections. They are composed of bolts, nuts, and double washers (standard GB/T 1228). The tensile strength reaches 1000MPa and the yield strength is 900MPa. Its surface treatment adopts Dacromet or multi-alloy co-penetration technology, and the salt spray test exceeds 1000 hours. It is suitable for extreme environments such as oceans and high temperatures.
Colored zinc-plated expansion hook
Rainbow chromate passivation (c2C) is performed on the basis of electrogalvanizing to form a colored passivation film with a thickness of about 8-15μm. The salt spray test can last for more than 72 hours without white rust.
Welded plate anchor (welded plate anchor bolt)
The welded plate anchor consists of a threaded rod, a welded pad and a stiffening rib. The pad is fixed with bolts by welding to form an integrated structure of “bolt + pad”. The pad increases the contact area with the concrete, disperses the load and improves stability.
Hexagon socket colored zinc-plated bolts
The hexagon socket bolt head has a hexagon socket hole and needs to be tightened with a hexagon socket wrench (standard GB/T 70.1). Common materials are 35CrMo or 42CrMo, and the surface treatment is divided into three types: electrogalvanized, color zinc-plated, and black zinc-plated.
Colored zinc plated countersunk cross bolts
The head of the countersunk cross bolt is conical and can be completely embedded in the surface of the connected parts to maintain a smooth appearance (standard GB/T 68). Common materials are carbon steel, stainless steel or engineering plastics (such as nylon 66), with galvanized or natural color treatment on the surface.
Hexagon socket hot-dip galvanized bolts
The hexagon socket bolt head has a hexagon socket hole and needs to be tightened with a hexagon socket wrench (standard GB/T 70.1). Common materials are 35CrMo or 42CrMo, and the surface treatment is divided into three types: electrogalvanized, color zinc-plated, and black zinc-plated.
Welding nut (welding nut)
Welding nut is a nut fixed to the workpiece by welding. Common types include projection welding nut (DIN929) and spot welding nut (DIN2527). Its structure includes threaded section and welding base. The welding base has a boss or plane to enhance the welding strength.
Colored zinc flange bolts
The head of the flange bolt has a round flange to increase the contact area and disperse the pressure (standard GB/T 5787, GB/T 5789). Common specifications M6-M30, material Q235 or 35CrMo, surface galvanized or blackened.
Electroplated galvanized gaskets
Electroplated galvanized gaskets are gaskets that deposit a zinc layer on the surface of carbon steel or alloy steel through an electrolytic process. The thickness of the zinc layer is usually 5-15μm. Its surface is silvery white or bluish white, and it has both anti-corrosion and decorative functions. It is one of the most commonly used surface treatment methods in the industrial field.
U-bolts
U-bolts are U-shaped with threads at both ends, and are used to fix cylindrical objects such as pipes and plates (standard JB/ZQ 4321). Common specifications are M6-M64, made of carbon steel or stainless steel, with galvanized or blackened surface.
Electro-galvanized expansion hook
Made of Q235 carbon steel and other materials, the surface is electro-galvanized, and the coating thickness is usually 5-12μm, which meets the post-treatment requirements of c1B (blue-white zinc) or c1A (bright zinc) in GB/T 13911-92 standard.
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